CCNA(640-802)题库_CCNA(640-802)试题_CCNA(640-802)在线答题_CCNA(640-802)搜题在线使用拍照解题

【单项选择题】 A router receives information about network 192.168...

【单项选择题】 An employee of ABC company has move to an office on a...

【单项选择题】 After the show ip route command has been entered,the f...

【单项选择题】 What is the subnetwork address for a host with the IP...

【单项选择题】 Which statement describes the rule of split horizon?（）

【单项选择题】 While troubleshooting a network problem,a technician disc...

【单项选择题】 A network administrator is planning a network installatio...

【单项选择题】 An administrator must assign static IP addresses to the...

【单项选择题】 Which protocol reduces administrative overhead in a switc...

【单项选择题】 A network administrator is trying to add a new router ...

【单项选择题】 If all OSPF routers in a single area are configured wi...

【单项选择题】 Three access ports have been installed and configured to...

【单项选择题】 The network administrator cannot to switch 1 over a te...

【单项选择题】 You have been asked to come up with a subnet mask tha...

【单项选择题】 Which command displays the CHAP authentication process as...

【单项选择题】 At which layer of the OSI model dose PPP perform?（）

【单项选择题】 Which command is used to display the collection of OSPF...

【单项选择题】 When you are troubleshooting an ACL issue on a router,...

【单项选择题】 Three switches are connected to one anther via trunk po...

【单项选择题】 What is the purpose of the cisco Vlan Trunking protocol...

【单项选择题】 Which cisco ios command can help to determine the timin...

【单项选择题】 On which options are standard access list based?（）

【单项选择题】 A network administrator needs to configure a serial link...

【单项选择题】 What is the result of issuing the frame-relay map ip ...

【单项选择题】 How are VTP advertisements delivered to switches across ...

【单项选择题】 Which pairing reflects a correct protocol-and-metric rel...

【单项选择题】 Which name describes an IPV6 host-enable tunneling tech...

【单项选择题】 Which Cisco IOS diagnostics command can disrupt the oper...

【单项选择题】 Which command encrypts all plaintext passwords?（）

【单项选择题】 Which encapsulation type is a Frame Relay encapsulation ...

【单项选择题】 What is the default administrative distance of OSPF?（）

【单项选择题】 Which address is the IPV6 all-RIP-routers muticast gro...

【单项选择题】 Which statement is true, as relates to classful or cla...

【单项选择题】 Which device might be installed at a branch office to ...

【单项选择题】 At which layer of the OSI model is RSTP used to preve...

【单项选择题】 Which IPsec security protocol should be used when confid...

【单项选择题】 which command allows you to verify the encapsulation typ...

【单项选择题】 What is the alternative notation for the IPV6 address ...

【单项选择题】 DNS servers provide what service?（）

【单项选择题】 Which protocol provides a method of sharing VLAN configu...

【单项选择题】 Which spread spectrum technology does the 802.11b s...

【单项选择题】 A cisco router is booting and has just completed the P...

【单项选择题】 Router A is unable to reach Router B.Both routers are...

【单项选择题】 Which command enables IPv6 forwarding on a cisco router...

【单项选择题】 In the implementation of VLSM techniques on a network u...

【单项选择题】 Which IPv6 address is valid?（）

【单项选择题】 Which of the following protocols uses both TCP and UDP...

【单项选择题】 Which command enhances the 802.1D convergence time o...

【单项选择题】 Which IEEE standard protocol is initiated as a result o...

【单项选择题】 Which command helps a network administrator to manage me...

【单项选择题】 What is the most likely reason for the dispartly betwee...

【单项选择题】 which address range efficiently summarizes the routing ta...

【单项选择题】 assuming the default switch configuration which vlan rang...

【单项选择题】 which command is used to enable CHAP authentication whit...

【单项选择题】 Which parameter or parameters are used to calculate OSPF...

【单项选择题】 A network engineer wants to allow a temporary entry for...

【单项选择题】 Which term describes a spanning-tree network that has a...

【单项选择题】 Which PPP subprotocol negotiates authentication options?（...

【单项选择题】 You are working in a data center environment and are a...

【单项选择题】 Assuming the default switch configuration,which approach ...

【单项选择题】 In which integration method is an IPV6 packet encapsula...

【单项选择题】 The enable secret command is used to secure access to ...

【单项选择题】 Which statement about vlan operation on cisco catalyst s...

【单项选择题】 A router receives information about network 192.168...

【单项选择题】 A receiving host computes the checksum on a frame and ...

【单项选择题】 Given an IP address 172.16.28.252 with a sub...

【单项选择题】 Which command can be used to verify the DLCI destinatio...

【单项选择题】 Which layer 2 protocol encapsulation type supports synch...

【单项选择题】 In which circumstance are multiple copies of the same u...

【单项选择题】 Which command sets and automatically encrypts the privile...

【单项选择题】 Which statement is true?（）

【单项选择题】 When upgrading the IOS image, the network administrator...

【单项选择题】 This graphic shows the results of an attempt to open a...

【单项选择题】 A network administrator is troubleshooting the OSPF confi...

【单项选择题】 While troubleshooting a connectivity issue from a PC you...

【单项选择题】 As a CCNA candidate, you must have a firm understandin...

【单项选择题】 The Frame Relay network in the diagram is not functioni...

【单项选择题】 A default Frame Relay WAN is classified as what type o...

【单项选择题】 The following configuration line was added to router R1...

【单项选择题】 The following access list below was applied outbound on...

【单项选择题】 As a network administrator, you have been instructed to...

【单项选择题】 A network administrator wants to add a line to an acce...

【单项选择题】 Which protocol is an open standard protocol framework th...

【单项选择题】 What is one benefit of PVST+?（）

【单项选择题】 Which item represents the standard IP ACL?（）

【单项选择题】 Which statement about access lists that are applied to ...

【单项选择题】 Which command enables RSTP on a switch?（）

【单项选择题】 DNS servers provide what service?（）

【单项选择题】 There are no boot system commands in a router configura...

【单项选择题】 Which command shows your active Telnet connections?（）

【单项选择题】 Which commands is necessary to permit SSH or Telnet acc...

【单项选择题】 What is the OSPF default frequency,in seconds,at which...

【单项选择题】 Which dose the frame-relay interface-dlci command config...

【单项选择题】 Which command can be a router to verify the layer 3 ...

【单项选择题】 A company has a small network,consisting of a single s...

【单项选择题】 A network administrator receives an error message while ...

【单项选择题】 What value is primarily used to determine which port be...

【单项选择题】 Assuming default setting,how can you erase the VTP data...

【单项选择题】 Which of these represents an IPv6 link-local address?...

【单项选择题】 If an Ethernet port on a router was assigned an IP ad...